TL780-05KCSE3

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PMIC - Voltage Regulators - Linear is an important category of power management parts that consists of a wide range of voltage management devices. The TL780-05KCSE3 from Texas Instruments is one of the most popular devices among the Linear type-voltage regulators from TI to be used in multiple applications. This section offers an overview of the product\'s application fields and its working principle.

TL780-05KCSE3 is a genre of 5V voltage regulator which is used to regulate the voltage of power supplies. It is envisioned for applications needing low noise EDP/Server supplies, general consumer/industrial systems and mobile phone power. The three terminal device provides an input voltage range of 7V - 35V with a 5V output voltage of desirable quality. Moreover, its quiescent current makes it suitable for battery-operated applications.

The device is designed to be used in different applications including external power supply-based 5V systems, DC-DC converters, point-of-load supplies and lighting protection. It can also be used in telecom applications, GPS systems and PDA/pocket computers. Its features like a voltage line of -50mV typical, a resulting ripple and noise of 50mVp-p maximum and its high peak current capabilities define its scope. Another technology used with this device is the Advanced Bi-directional Current Flow which enables the device to be used for driving external power MOSFET in synchronous-rectified converters.

TL780-05KCSE3 works on the principle of Constant Voltage & Constant Current Regulation Technique (also known as CVCC). This circuit has the ability to both limit the output current and maintain the constant voltage. It uses one or more low values resistors and one or more zener diodes in its circuit. When the output current is greater than the maximum limit, the voltage across the resistor increases and the zener diode starts conducting. This decreases the voltage at the output and limits the output current to a value less than the maximum allowable. Thus, the device, with the help of a regulated power source, regulates both the current and the voltage.

Overall, the TL780-05KCSE3 is a useful device in applications requiring 5V voltage regulation. Its widespread application fields and its working principle of the Constant Voltage & Constant Current Regulation Technique make it one of the most popular Linear type voltage regulators from TI.

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